Keywords semliki forest virus;RNA replicon;newcastle disease virus;nucleic acid vaccine;colonic neoplasms;tumor suppression;cytotoxic T lymphocyte;

• 塞姆利基森林病毒;RNA复制子;新城疫病毒;核酸疫苗;结肠癌;抑瘤作用;细胞毒性T淋巴细胞;